Home / 12,021.14-18,033.42-3,701.84

Finding the Fourth Proportional to 12,021.14, 18,033.42 and 3,701.84

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Solution

The fourth proportional to 12,021.14, 18,033.42 and 3,701.84 is: 5,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.14 : 18,033.42 = 3,701.84 : x
  2. Step 2: Convert to fraction form
    12,021.14/18,033.42 = 3,701.84/x
  3. Step 3: Cross multiply
    12,021.14x = 18,033.42 × 3,701.84
  4. Step 4: Simplify right side
    12,021.14x = 66,756,738.38
  5. Step 5: Solve for x
    x = 66,756,738.38/12,021.14
  6. Step 6: Final answer
    x = 5,553.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.